JPH0755210Y2 - 作業床構造 - Google Patents
作業床構造Info
- Publication number
- JPH0755210Y2 JPH0755210Y2 JP7044689U JP7044689U JPH0755210Y2 JP H0755210 Y2 JPH0755210 Y2 JP H0755210Y2 JP 7044689 U JP7044689 U JP 7044689U JP 7044689 U JP7044689 U JP 7044689U JP H0755210 Y2 JPH0755210 Y2 JP H0755210Y2
- Authority
- JP
- Japan
- Prior art keywords
- grating
- floor
- chemicals
- work
- tray
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000000126 substance Substances 0.000 description 23
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 5
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 229920002120 photoresistant polymer Polymers 0.000 description 3
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910017604 nitric acid Inorganic materials 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 235000015067 sauces Nutrition 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Ventilation (AREA)
- Housing For Livestock And Birds (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7044689U JPH0755210Y2 (ja) | 1989-06-16 | 1989-06-16 | 作業床構造 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7044689U JPH0755210Y2 (ja) | 1989-06-16 | 1989-06-16 | 作業床構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH039412U JPH039412U (en]) | 1991-01-29 |
| JPH0755210Y2 true JPH0755210Y2 (ja) | 1995-12-20 |
Family
ID=31606609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7044689U Expired - Lifetime JPH0755210Y2 (ja) | 1989-06-16 | 1989-06-16 | 作業床構造 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0755210Y2 (en]) |
-
1989
- 1989-06-16 JP JP7044689U patent/JPH0755210Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039412U (en]) | 1991-01-29 |
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